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Exam AWS Certified SAP on AWS - Specialty PAS-C01 All Questions

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Exam AWS Certified SAP on AWS - Specialty PAS-C01 topic 1 question 17 discussion

Exam question from Amazon's AWS Certified SAP on AWS - Specialty PAS-C01
Question #: 17
Topic #: 1
[All AWS Certified SAP on AWS - Specialty PAS-C01 Questions]

A company is designing a disaster recovery (DR) strategy for an SAP HANA database that runs on an Amazon EC2 instance in a single Availability Zone. The company can tolerate a long RTO and an RPO greater than zero if it means that the company can save money on its DR process.
The company has configured an Amazon CloudWatch alarm to automatically recover the EC2 instance if the instance experiences an unexpected issue. The company has set up AWS Backint Agent for SAP HANA to save the backups into Amazon S3.
What is the MOST cost-effective DR option for the company's SAP HANA database?

  • A. Set up AWS CloudFormation to automatically launch a new EC2 instance for the SAP HANA database in a second Availability Zone from backups that are stored in Amazon S3. When the SAP HANA database is operational, perform a database restore by using the standard SAP HANA restore process.
  • B. Launch a secondary EC2 instance for the SAP HANA database on a less powerful EC2 instance type in a second Availability Zone. Configure SAP HANA system replication with the preload option turned off.
  • C. Launch a secondary EC2 instance for the SAP HANA database on an equivalent EC2 instance type in a second Availability Zone. Configure SAP HANA system replication with the preload option turned on.
  • D. Set up AWS CloudFormation to automatically launch a new EC2 instance for the SAP HANA database in a second Availability Zone from backups that are stored in Amazon Elastic Block Store (Amazon EBS). When the SAP HANA database is operational, perform a database restore by using the standard SAP HANA restore process.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by Balki at Feb. 3, 2023, 11:01 p.m.
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schalke04
Highly Voted 2 years, 5 months ago
Selected Answer: A
A. restore from S3 is the cheapest
upvoted 6 times
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Kiran1982
Highly Voted 2 years, 5 months ago
Selected Answer: A
A is the most cost effective DR option.
upvoted 5 times
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awsmonster
Most Recent 1 year, 5 months ago
Selected Answer: A
A is the most cost effective since customer does not have specific requirements for RTO/RPO. B is a warm standby with no pre-load setup, it is definitely not the most cost effective
upvoted 2 times
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kaishin0527
1 year, 11 months ago
Selected Answer: A
A: This option leverages the existing backups stored in Amazon S3 and does not require running additional, potentially costly, EC2 instances until needed. The new instance is only launched in the event of a disaster, and data is then restored from the S3 backup. This is a cost-effective method, as you only pay for the S3 storage of your backup and the EC2 resources when you need them.
upvoted 1 times
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[Removed]
1 year, 11 months ago
Selected Answer: A
A, use s3
upvoted 1 times
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easytoo
2 years, 1 month ago
b-b-bb-b-b
upvoted 1 times
easytoo
2 years, 1 month ago
Considering the cost-effectiveness and the company's willingness to tolerate a long RTO and an RPO greater than zero, option B is the most suitable choice. It allows for the launch of a secondary EC2 instance in a different Availability Zone with a less powerful instance type and system replication configured without the preload option, potentially reducing costs while still providing some level of disaster recovery
upvoted 2 times
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djwhowe
2 years, 1 month ago
Selected Answer: B
Cost optimized You can reduce costs by using a smaller or shared secondary SAP HANA system. In the smaller secondary option, the infrastructure is initially sized smaller than the primary and resized before performing a takeover. In the shared secondary option, the unused memory on the secondary system is used by a non-production or sacrificial instance.
upvoted 2 times
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Deepk12493
2 years, 4 months ago
B is the right answer. A is incorrect. If you are able to restore when the primary DB is operational it is not a disaster scenario.
upvoted 1 times
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forexamweb
2 years, 5 months ago
Selected Answer: A
A maybe https://docs.aws.amazon.com/sap/latest/sap-hana/hana-ops-ha-dr.html#backint-hana-hadr
upvoted 2 times
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Balki
2 years, 5 months ago
Selected Answer: B
https://docs.aws.amazon.com/sap/latest/sap-hana/hana-ops-ha-dr-hsr.html
upvoted 1 times
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